568
AXUS73 KLBF 201507 RRA
DGTLBF
NEZ004>010-022>029-035>038-056>059-069>071-094-232399-
DROUGHT INFORMATION STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1007 AM CDT THU JUL 20 2017
...MODERATE DROUGHT CONDITIONS WERE PRESENT ACROSS A GOOD PORTION OF
WESTERN AND NORTH CENTRAL NEBRASKA...
.SYNOPSIS...
ABOVE NORMAL TEMPERATURES OVER THE PAST 45 DAYS...COUPLED WITH VERY
SPOTTY RAINFALL...HAS LED TO THE INITIATION OF DROUGHT CONDITIONS
ACROSS A GOOD PORTION OF WESTERN AND NORTH CENTRAL NEBRASKA. FOR
JUNE 2017...VALENTINE HAD ITS FOURTH DRIEST JUNE ON RECORD AND NORTH
PLATTE ITS SECOND DRIEST JUNE ON RECORD. SINCE THE BEGINNING OF THE
YEAR...THE PRECIPITATION DEFICIT FOR NORTH PLATTE AND VALENTINE WAS
1.72 INCHES AND 2.48 INCHES RESPECTIVELY. SINCE JUNE FIRST, THE
DEFICIT AT NORTH PLATTE AND VALENTINE WAS 2.82 AND 4.92 INCHES
RESPECTIVELY. SO FAR FOR JULY...THROUGH THE 20TH...NORTH PLATTE HAS
A SURPLUS OF 0.17 INCHES AND VALENTINE A DEFICIT OF 1.89 INCHES.
UPPER LEVEL HIGH PRESSURE WILL WEAKEN THIS WEEKEND...WHICH WILL
BRING SOME TEMPERATURE RELIEF TO WESTERN AND NORTH CENTRAL NEBRASKA.
HOWEVER, HIGH PRESSURE WILL STRENGTHEN ONCE AGAIN NEXT WEEK INTO
NEXT WEEKEND WITH A RETURN IN HOT TEMPERATURES EXPECTED ACROSS THE
REGION.
.SUMMARY OF IMPACTS...
AS OF JULY 20TH...ACCORDING TO THE US DROUGHT MONITOR...MODERATE
DROUGHT CONDITIONS WERE SEEN ACROSS THE FOLLOWING
COUNTIES...HOLT...BOYD...BROWN...WHEELER...EASTERN GARFIELD...KEYA
PAHA...THE EASTERN HALF OF CHERRY...DEUEL...SOUTHERN KEITH...PERKINS
AND CHASE COUNTIES. ELSEWHERE...ACROSS THE REMAINDER OF WESTERN AND
NORTH CENTRAL NEBRASKA...ABNORMALLY DRY CONDITIONS WERE
OCCURRING...EXCEPT FOR SHERIDAN AND FAR NORTHERN GARDEN COUNTY.
.CLIMATE SUMMARY...
SUMMARY OF RECENT MONTHLY RAINFALL CONDITIONS FROM SELECTED
STATIONS ACROSS WESTERN AND NORTH CENTRAL NEBRASKA. THE SUMMARY
INCLUDES THE PREVIOUS 12 MONTH PRECIPITATION TOTALS FROM JULY 2016
THROUGH JUNE 2017, THE PREVIOUS 6 MONTH PRECIPITATION TOTALS FROM
JANUARY 2017 THROUGH JUNE 2017, THE PREVIOUS 3 MONTH PRECIPITATION
TOTALS FROM APRIL 2017 THROUGH JUNE 2017 AND PRECIPITATION TOTALS SO
FAR FOR JULY THROUGH THE 19TH OF THE MONTH.
12 MONTH PRECIP/INCHES 6 MONTH PRECIP/INCHES
LOCATION JUL-JUN NORMAL DEP | JAN-JUN NORMAL DEP
NORTH PLATTE 17.58 20.23 -2.65 | 8.97 10.86 -1.89
VALENTINE 19.23 20.02 -0.79 | 10.13 10.72 -0.59
BROKEN BOW * 18.71 23.62 -4.91 | 9.10 12.90 -3.80
IMPERIAL * 13.92 19.14 -5.22 | 7.59 9.86 -2.27
3 MONTH PRECIP/INCHES THRU APR 19 PRECIP/INCHES
LOCATION APR-JUN NORMAL DEP | JUL 19 NORMAL DEP
NORTH PLATTE 5.96 8.97 -3.01 | 2.00 1.83 +0.17
VALENTINE 7.30 8.91 -1.61 | 0.10 1.99 -1.89
BROKEN BOW * 5.42 10.49 -5.07 | 1.18 1.79 -0.61
IMPERIAL * 5.28 8.11 -2.83 | 0.27 1.83 -1.56
PRIMARY LOCATION OF PRECIPITATION DATA IS FROM THE AUTOMATED
SENSORS AT THE AIRPORT.
* PRECIPITATION DATA INCLUDES A COMBINATION OF AUTOMATED SENSORS
AND COOPERATIVE DATA.
AVERAGE TEMPERATURES FOR THE LAST 3 MONTHS SAW ABOVE NORMAL
TEMPERATURES FOR APRIL AND JUNE WITH BELOW NORMAL TEMPERATURES FOR
MAY.
AVERAGE TEMPERATURE/DEGREE F
LOCATION APR NORMAL DEP | MAY NORMAL DEP | JUN NORMAL DEP
NORTH PLATTE 50.8 47.6 +3.2 | 56.5 57.9 -1.4 | 71.6 67.9 +3.7
VALENTINE 49.5 46.7 +2.8 | 57.2 57.6 -0.4 | 70.7 67.5 +3.2
BROKEN BOW 50.1 47.8 +2.8 | 57.3 58.8 -1.5 | 72.1 68.5 +3.6
IMPERIAL 50.6 48.5 +2.1 | 57.7 59.8 -2.1 | 71.9 70.0 +1.9
.FIRE DANGER IMPACTS...AS OF THE MIDDLE OF JULY...ONE HOUR FUELS
WERE 80 PERCENT CURED AND ABLE TO SUPPORT LARGE FIRE GROWTH.
BOTTOM LINE, THE THREAT FOR LARGE WILDFIRES WILL CONTINUE INTO THE
END OF SUMMER AND FALL MONTHS IF THE CURRENT DRY CONDITIONS PERSIST.
FOR MORE INFORMATION, PLEASE VISIT THE NORTH PLATTE NWS FIRE
WEATHER WEB SITE PROVIDED BELOW.
HTTP://WWW.WEATHER.GOV/LBF/FIRE
.PRECIPITATION AND TEMPERATURE OUTLOOKS...
THE LATEST 6 TO 10 DAY OUTLOOK, COVERING JULY 25TH THROUGH JULY
29TH, CALLS FOR ABOVE NORMAL TEMPERATURES AND BELOW NORMAL
PRECIPITATION. THE LATEST 8 TO 14 DAY OUTLOOK COVERING JULY 27TH
THROUGH AUGUST 2ND CALLS FOR ABOVE NORMAL TEMPERATURES AND BELOW
NORMAL PRECIPITATION.
THE LATEST 30 DAY OUTLOOK COVERING AUGUST CALLS FOR ABOVE NORMAL
TEMPERATURES. THE PRECIPITATION OUTLOOK FOR AUGUST IS FOR EQUAL
CHANCES FOR ABOVE...BELOW OR NEAR NORMAL PRECIPITATION.
THE LATEST 90 DAY OUTLOOK COVERING AUGUST...SEPTEMBER AND OCTOBER
CALLS FOR ABOVE NORMAL TEMPERATURES FOR ALL OF WESTERN AND NORTH
CENTRAL NEBRASKA. THE PRECIPITATION OUTLOOK CALLS FOR EQUAL CHANCES
FOR ABOVE...BELOW OR NEAR NORMAL PRECIPITATION.
.HYDROLOGIC SUMMARY AND OUTLOOK...
RIVER FLOWS ACROSS WESTERN AND NORTH CENTRAL NEBRASKA WERE NORMAL
FOR THIS TIME OF YEAR.
AS OF JULY 19TH...THE ELEVATION OF LAKE MCCONAUGHY WAS 3253.3 FEET
ABOVE SEA LEVEL AND WAS AT 81 PERCENT OF CAPACITY. THIS COMPARES TO
THE ELEVATION OF 3263.1 FEET ONE YEAR AGO. INFLOWS INTO THE LAKE
WERE 446 CFS WHICH COMPARES TO 1313 CFS ONE YEAR AGO.
&&
.RELATED WEB SITES...
ADDITIONAL INFORMATION ON CURRENT DROUGHT CONDITIONS MAY BE FOUND
AT THE FOLLOWING WEB ADDRESSES:
U.S. DROUGHT MONITOR: HTTP://WWW.DROUGHT.UNL.EDU/DM/MONITOR.HTML
NOAA DROUGHT PAGE: HTTP://WWW.DROUGHT.NOAA.GOV
CLIMATE PREDICTION CENTER /CPC/: HTTP://WWW.CPC.NCEP.NOAA.GOV
MIDWESTERN REGIONAL CLIMATE CENTER:
HTTP://MCC.SWS.UIUC.EDU/INDEX.JSP
HIGH PLAINS REGIONAL CLIMATE CENTER: HTTP://HPRCC.UNL.EDU
NEBRASKA STATE CLIMATE OFFICE:
HTTP://WWW.NEBRASKACLIMATEOFFICE.UNL.EDU
IOWA CLIMATOLOGY BUREAU:
HTTP://WWW.IOWAAGRICULTURE.GOV/CLIMATOLOGY.ASP
NWS RIVER INFORMATION: HTTP://WWW.WEATHER.GOV/AHPS
USGS RIVER INFORMATION: HTTP://WATER.USGS.GOV
U.S. ARMY CORPS OF ENGINEERS: HTTP://WWW.MVR.USACE.ARMY.MIL
.ACKNOWLEDGMENTS...
THE DROUGHT MONITOR IS A MULTI-AGENCY EFFORT INVOLVING NOAA`S
NATIONAL WEATHER SERVICE AND NATIONAL CLIMATIC DATA CENTER, THE
USDA, STATE AND REGIONAL CENTER CLIMATOLOGISTS AND THE NATIONAL
DROUGHT MITIGATION CENTER. INFORMATION FOR THIS STATEMENT HAS
BEEN GATHERED FROM NWS AND FAA OBSERVATION SITES, STATE
COOPERATIVE EXTENSION SERVICES, THE USGS AND THE CENTRAL NEBRASKA
PUBLIC POWER AND IRRIGATION DISTRICT.
.QUESTIONS OR COMMENTS...
IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS DROUGHT
INFORMATION STATEMENT, PLEASE CONTACT:
NATIONAL WEATHER SERVICE
5250 EAST LEE BIRD DRIVE
NORTH PLATTE, NE 69101
PHONE: 308-532-0921
E-MAIL: CHRISTOPHER.BUTTLER@NOAA.GOV
THIS PRODUCT WILL BE ROUTINELY ISSUED ON THE THIRD THURSDAY OF THE
MONTH. THE NEXT ISSUANCE WILL BE AUGUST 17 2017.
$$
BUTTLER